Cisco PIX 525 Spezifikationen PDF herunterladen (Seite 65)

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Cisco Security Appliance Command Line Configuration Guide

OL-6721-01

Chapter 5 Adding and Managing Security Contexts

Removing a Security Context

You can only remove a context by editing the system configuration. You cannot remove the current

admin context, unless you remove all contexts using the clear context command.

Note If you use failover, there is a delay between when you remove the context on the active unit and when

the context is removed on the standby unit. You might see an error message indicating that the number

of interfaces on the active and standby units are not consistent; this error is temporary and can be

ignored.

Use the following commands for removing contexts:

• To remove a single context, enter the following command in the system execution space:

hostname(config)# no context

name

All context commands are also removed.

• To remove all contexts (including the admin context), enter the following command in the system

execution space:

hostname(config)# clear context

Changing the Admin Context

You can set any context to be the admin context, as long as the configuration file is stored in the internal

Flash memory. To set the admin context, enter the following command in the system execution space:

hostname(config)# admin-context

context_name

Any remote management sessions, such as Telnet, SSH, or HTTPS, that are connected to the admin

context are terminated. You must reconnect to the new admin context.

Note A few system commands, including ntp server, identify an interface name that belongs to the admin

context. If you change the admin context, and that interface name does not exist in the new admin

context, be sure to update any system commands that refer to the interface.

Changing Between Contexts and the System Execution Space

If you log in to the system execution space (or the admin context using Telnet or SSH), you can change

between contexts and perform configuration and monitoring tasks within each context. The running

configuration that you edit in a configuration mode, or that is used in the copy or write commands,

depends on your location. When you are in the system execution space, the running configuration

consists only of the system configuration; when you are in a context, the running configuration consists

only of that context. For example, you cannot view all running configurations (system plus all contexts)

by entering the show running-config command. Only the current configuration displays.

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